Home / 920,799.48-1,381,315.86-255,951.48

Finding the Fourth Proportional to 920,799.48, 1,381,315.86 and 255,951.48

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Solution

The fourth proportional to 920,799.48, 1,381,315.86 and 255,951.48 is: 383,959.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,799.48 : 1,381,315.86 = 255,951.48 : x
  2. Step 2: Convert to fraction form
    920,799.48/1,381,315.86 = 255,951.48/x
  3. Step 3: Cross multiply
    920,799.48x = 1,381,315.86 × 255,951.48
  4. Step 4: Simplify right side
    920,799.48x = 353,549,838,714.47
  5. Step 5: Solve for x
    x = 353,549,838,714.47/920,799.48
  6. Step 6: Final answer
    x = 383,959.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.